#slider{
    height: 100%;
    width: 100%;
    position: relative;
    padding-top: 100px;
    z-index: 0;
    background-color: rgba(64, 108, 255, 0.2);
}
.slide{
    text-align: center;
    background-size: cover;
    color: #fff;
    font-family: var(--font-montserrat);
    transition: all 0.7s ease-in-out;
    width: 100%;
    height: 100%;
    max-height: 963px;
    position: relative;
}
.s1{
    background-image: linear-gradient(rgba(0, 0, 0, var(--opacidad-negro)), rgba(0, 0, 0, var(--opacidad-negro))), url("../img/lab5.jpg");
    background-size: cover;
    -webkit-animation: fade-in 1s cubic-bezier(0.390, 0.575, 0.565, 1.000) both;
    animation: fade-in 1s cubic-bezier(0.390, 0.575, 0.565, 1.000) both;
    z-index: 0;
}
.s2{
    background-image: linear-gradient(rgba(0, 0, 0, var(--opacidad-negro)), rgba(0, 0, 0, var(--opacidad-negro))), url("../img/lab2.jpg");
    background-size: cover;
    display: none;
    -webkit-animation: fade-in 1s cubic-bezier(0.390, 0.575, 0.565, 1.000) both;
    animation: fade-in 1s cubic-bezier(0.390, 0.575, 0.565, 1.000) both;
    z-index: 0;
}
.s3{
    background-image: linear-gradient(rgba(0, 0, 0, var(--opacidad-negro)), rgba(0, 0, 0, var(--opacidad-negro))), url("../img/lab1.jpg");
    background-size: cover;
    display: none;
    -webkit-animation: fade-in 1s cubic-bezier(0.390, 0.575, 0.565, 1.000) both;
    animation: fade-in 1s cubic-bezier(0.390, 0.575, 0.565, 1.000) both;
    z-index: 0;
}

@-webkit-keyframes fade-in {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}
@keyframes fade-in {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

.slide > h1{
    font-size: 40px;
    text-align: center;
    width: 80%;
    position: absolute;
    top: calc(50% - 50px);
    left: 50%;
    transform: translate(-50%, -50%);
    -webkit-animation: tracking-in-expand 0.7s cubic-bezier(0.215, 0.610, 0.355, 1.000) both;
    animation: tracking-in-expand 0.7s cubic-bezier(0.215, 0.610, 0.355, 1.000) both;
}
.slide > p{
    font-size: 18px;
    text-align: center;
    margin: 0 auto;
    width: 73%;
    -webkit-animation: tracking-in-expand 0.7s cubic-bezier(0.215, 0.610, 0.355, 1.000) both;
    animation: tracking-in-expand 0.7s cubic-bezier(0.215, 0.610, 0.355, 1.000) both;
}

@-webkit-keyframes tracking-in-expand {
    0% {
        letter-spacing: -0.5em;
        opacity: 0;
    }
    40% {
        opacity: 0.6;
    }
    100% {
        opacity: 1;
    }
}
@keyframes tracking-in-expand {
    0% {
        letter-spacing: -0.5em;
        opacity: 0;
    }
    40% {
        opacity: 0.6;
    }
    100% {
        opacity: 1;
    }
}

button{
    background-color: #0338a6;
    padding: 12px 50px;
    border: initial;
    margin-top: 20px;
    width: 200px;
}
.boton{
    border-radius: 50%;
    position: absolute;
    top: 40%;
    border: 2px solid #fff;
    cursor: pointer;
    width: 40px;
    height: 40px;
}
.boton:hover{
    background-color: rgba(85, 186, 202,0.4);
    transition: all 0.5s ease-in-out;
    border: 2px solid #fff;
}
.boton:hover span{
    color: #fff;
    transition: all 0.5s ease-in-out;
}
.boton span{
    color: #fff;
    font-size: 25px;
}

.derecha{
    top: 50%;
    transform: translate(0, -50%);
    right: 10px;
    padding: 5px 0 0 7px;
}
.izquierda{
    top: 50%;
    left: 10px;
    padding: 5px 0 0 3px;
    transform: translate(0, -50%);
}

/*** PAGINACIÓN ***/
.paginacion{
    position: absolute;
    left: 0;
    right: 0;
    bottom: 10px;
    text-align: center;
}
.paginacion li{
    list-style: none;
    width: 35px;
    height: 5px;
    background-color: #fff;
    display: inline-block;
    margin-right: 10px;
    cursor: pointer;
}
.paginacion li:first-of-type{
    background-color: #ff8c00;
}

.paginacion li:hover{
    background-color: rgba(0,0,0,0.3);
    transition: all 0.5s ease-in-out;
}

@media(min-width:600px) {
    .slider {
        height: calc(100% - 110px);
    }
}
@media(min-width:800px) {
    .slide h1{
        width: 80%;
    }
    .boton{
        width: 60px;
        height: 60px;
    }
    .boton span{
        font-size: 40px;
    }
    .derecha{
        padding: 7px 0 0 10px;
    }
    .izquierda{
        padding: 7px 0 0 5px;
    }
    .paginacion li{
        margin-right: 15px;
    }
}
@media(min-width:1024px) {
    .slider {
        height: calc(100% - 130px);
    }
    .slide h1{
        font-size: 60px;
    }
    .slide p{
        width: 50%;
        font-size: 22px;
    }
    .derecha{
        right: 20px;
    }
    .izquierda{
        left: 20px;
    }
    .paginacion li{
        width: 45px;
        height: 7px;
        margin-right: 25px;
    }
}